Convert a float to an int with JSON.Decode

decodeFloatToInt.elm

import Json.Decode as Decode

type alias CoinPair = { pair: String, price: Float, rsi_15m: Int }

decodeCoinPair : Decode.Decoder CoinPair
decodeCoinPair =
    Decode.map5 CoinPair
        (Decode.field "pair" Decode.string)
        (Decode.field "price" Decode.float)
        (Decode.field "rsi_15m" decodeFloatAsInt)

decodeFloatAsInt : Decode.Decoder Int
decodeFloatAsInt =
    Decode.map
        round(Decode.oneOf [Decode.float, Decode.null 0.0])